Researchers cast doubt on stem-cell pioneer's findings

时间：2019-03-02 04:06:02166网络整理admin

By Eugenie Samuel Reich LEADING cloning researchers are calling for independent verification of pioneering work from South Korea hailed as proof of principle for “therapeutic cloning”. Now, on top of an ethical controversy that has mired Woo Suk Hwang’s research come questions about troubling irregularities in his data. Seoul National University, where Hwang is based, announced on 12 December that it has launched an internal investigation into a paper published in May (Science, vol 308,